Rule of 114 Calculator (Tripling Time)

Verified formula Updated Jun 2026 Private — runs on your device

Verified formula Private

Time to triple

14.25

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Rule of 114 Calculator (Tripling Time)

The Rule of 114 Calculator (Tripling Time) works out your time to triple in an instant. Enter growth rate per period and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

Enter the growth rate per period.
Read off your time to triple — the calculator updates automatically, with no button to press.

Formula

The Rule of 114 Calculator (Tripling Time) uses the formula:

Time to triple = 114 ÷ Growth rate per period

Worked example

For example, with growth rate per period of 8%, the time to triple is 14.25.

Inputs used
Growth rate per period	8%

Results
Time to triple	14.25

Results are estimates for educational use, not professional advice.

Frequently asked questions

A shortcut for tripling time: divide 114 by the growth rate. At 8% growth, money triples in about 14.25 years.

The rule of 72 estimates doubling time; the rule of 114 estimates tripling, and the rule of 144 estimates quadrupling.

It is a close approximation for moderate rates, derived from the mathematics of compound growth.

Quickly judging how fast investments or prices triple, without logarithms or a detailed calculation.

The Rule of 114 Calculator (Tripling Time) uses the formula: Time to triple = 114 ÷ Growth rate per period. For example, with growth rate per period of 8%, the time to triple is 14.25.

Enter the growth rate per period. Read off your time to triple — the calculator updates automatically, with no button to press.